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/* $OpenBSD: acpiasus.c,v 1.3 2008/05/16 06:50:55 dlg Exp $ */
/* $NetBSD: asus_acpi.c,v 1.2.2.2 2008/04/03 12:42:37 mjf Exp $ */
/*-
* Copyright (c) 2007, 2008 Jared D. McNeill <jmcneill@invisible.ca>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jared D. McNeill.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* ASUS ACPI hotkeys driver.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/workq.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpidev.h>
#include <dev/acpi/amltypes.h>
#include <dev/acpi/dsdt.h>
#include "audio.h"
#include "wskbd.h"
struct acpiasus_softc {
struct device sc_dev;
struct acpi_softc *sc_acpi;
struct aml_node *sc_devnode;
void *sc_powerhook;
};
#define ASUS_NOTIFY_WirelessSwitch 0x10
#define ASUS_NOTIFY_BrightnessLow 0x20
#define ASUS_NOTIFY_BrightnessHigh 0x2f
#define ASUS_NOTIFY_DisplayCycle 0x30
#define ASUS_NOTIFY_TaskSwitch 0x12
#define ASUS_NOTIFY_VolumeMute 0x13
#define ASUS_NOTIFY_VolumeDown 0x14
#define ASUS_NOTIFY_VolumeUp 0x15
#define ASUS_SDSP_LCD 0x01
#define ASUS_SDSP_CRT 0x02
#define ASUS_SDSP_TV 0x04
#define ASUS_SDSP_DVI 0x08
#define ASUS_SDSP_ALL \
(ASUS_SDSP_LCD | ASUS_SDSP_CRT | ASUS_SDSP_TV | ASUS_SDSP_DVI)
int acpiasus_match(struct device *, void *, void *);
void acpiasus_attach(struct device *, struct device *, void *);
void acpiasus_init(struct device *);
int acpiasus_notify(struct aml_node *, int, void *);
void acpiasus_power(int, void *);
#if NAUDIO > 0 && NWSKBD > 0
extern int wskbd_set_mixervolume(long dir);
#endif
struct cfattach acpiasus_ca = {
sizeof(struct acpiasus_softc), acpiasus_match, acpiasus_attach
};
struct cfdriver acpiasus_cd = {
NULL, "acpiasus", DV_DULL
};
int
acpiasus_match(struct device *parent, void *match, void *aux)
{
struct acpi_attach_args *aa = aux;
struct cfdata *cf = match;
if (aa->aaa_name == NULL ||
strcmp(aa->aaa_name, cf->cf_driver->cd_name) != 0 ||
aa->aaa_table != NULL)
return 0;
return 1;
}
void
acpiasus_attach(struct device *parent, struct device *self, void *aux)
{
struct acpiasus_softc *sc = (struct acpiasus_softc *)self;
struct acpi_attach_args *aa = aux;
sc->sc_acpi = (struct acpi_softc *)parent;
sc->sc_devnode = aa->aaa_node->child;
sc->sc_powerhook = powerhook_establish(acpiasus_power, sc);
printf("\n");
acpiasus_init(self);
aml_register_notify(sc->sc_devnode->parent, aa->aaa_dev,
acpiasus_notify, sc, ACPIDEV_NOPOLL);
}
void
acpiasus_init(struct device *self)
{
struct acpiasus_softc *sc = (struct acpiasus_softc *)self;
struct aml_value cmd;
struct aml_value ret;
cmd.type = AML_OBJTYPE_INTEGER;
cmd.v_integer = 0x40; /* Disable ASL display switching. */
if (aml_evalname(sc->sc_acpi, sc->sc_devnode, "INIT", 1, &cmd, &ret))
printf("%s: no INIT\n", DEVNAME(sc));
}
int
acpiasus_notify(struct aml_node *node, int notify, void *arg)
{
struct acpiasus_softc *sc = arg;
if (notify >= ASUS_NOTIFY_BrightnessLow &&
notify <= ASUS_NOTIFY_BrightnessHigh) {
#if ACPIASUS_DEBUG
printf("%s: brightness %d percent\n", DEVNAME(sc),
(notify & 0xf) * 100 / 0xf);
#endif
return 0;
}
switch (notify) {
case ASUS_NOTIFY_WirelessSwitch: /* Handled by AML. */
break;
case ASUS_NOTIFY_TaskSwitch:
break;
case ASUS_NOTIFY_DisplayCycle:
break;
#if NAUDIO > 0 && NWSKBD > 0
case ASUS_NOTIFY_VolumeMute:
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)0, NULL);
break;
case ASUS_NOTIFY_VolumeDown:
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)-1, NULL);
break;
case ASUS_NOTIFY_VolumeUp:
workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume,
(void *)(long)1, NULL);
break;
#else
case ASUS_NOTIFY_VolumeMute:
case ASUS_NOTIFY_VolumeDown:
case ASUS_NOTIFY_VolumeUp:
break;
#endif
default:
printf("%s: unknown event 0x%02x\n", DEVNAME(sc), notify);
break;
}
return 0;
}
void
acpiasus_power(int why, void *arg)
{
struct acpiasus_softc *sc = (struct acpiasus_softc *)arg;
struct aml_value cmd;
struct aml_value ret;
switch (why) {
case PWR_STANDBY:
case PWR_SUSPEND:
break;
case PWR_RESUME:
acpiasus_init(arg);
cmd.type = AML_OBJTYPE_INTEGER;
cmd.v_integer = ASUS_SDSP_LCD;
if (aml_evalname(sc->sc_acpi, sc->sc_devnode, "SDSP", 1,
&cmd, &ret))
printf("%s: no SDSP\n", DEVNAME(sc));
break;
}
}
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